void MemPtrs::reset(const unsigned rombanks, const unsigned rambanks, const unsigned wrambanks) {
delete []memchunk_;
memchunk_len = 0x4000 + rombanks * 0x4000ul + 0x4000 + rambanks * 0x2000ul + wrambanks * 0x1000ul + 0x4000;
memchunk_ = new unsigned char[memchunk_len];
romdata_[0] = romdata();
rambankdata_ = romdata_[0] + rombanks * 0x4000ul + 0x4000;
wramdata_[0] = rambankdata_ + rambanks * 0x2000ul;
wramdataend_ = wramdata_[0] + wrambanks * 0x1000ul;
std::memset(rdisabledRamw(), 0xFF, 0x2000);
oamDmaSrc_ = OAM_DMA_SRC_OFF;
rmem_[0x3] = rmem_[0x2] = rmem_[0x1] = rmem_[0x0] = romdata_[0];
rmem_[0xC] = wmem_[0xC] = wramdata_[0] - 0xC000;
rmem_[0xE] = wmem_[0xE] = wramdata_[0] - 0xE000;
setRombank(1);
setRambank(0, 0);
setVrambank(0);
setWrambank(1);
// we save only the ram areas
memchunk_saveoffs = vramdata() - memchunk_;
memchunk_savelen = wramdataend() - memchunk_ - memchunk_saveoffs;
}
void MemPtrs::reset(unsigned const rombanks, unsigned const rambanks, unsigned const wrambanks) {
delete []memchunk_;
memchunk_ = new unsigned char[
0x4000
+ rombanks * 0x4000ul
+ 0x4000
+ rambanks * 0x2000ul
+ wrambanks * 0x1000ul
+ 0x4000];
romdata_[0] = romdata();
rambankdata_ = romdata_[0] + rombanks * 0x4000ul + 0x4000;
wramdata_[0] = rambankdata_ + rambanks * 0x2000ul;
wramdataend_ = wramdata_[0] + wrambanks * 0x1000ul;
std::memset(rdisabledRamw(), 0xFF, 0x2000);
oamDmaSrc_ = oam_dma_src_off;
rmem_[0x3] = rmem_[0x2] = rmem_[0x1] = rmem_[0x0] = romdata_[0];
rmem_[0xC] = wmem_[0xC] = wramdata_[0] - 0xC000;
rmem_[0xE] = wmem_[0xE] = wramdata_[0] - 0xE000;
setRombank(1);
setRambank(0, 0);
setVrambank(0);
setWrambank(1);
}
void MemPtrs::setRambank(unsigned const flags, unsigned const rambank) {
unsigned char *srambankptr = 0;
if (!(flags & rtc_en)) {
srambankptr = rambankdata() != rambankdataend()
? rambankdata_ + rambank * 0x2000ul - 0xA000
: wdisabledRam() - 0xA000;
}
rsrambankptr_ = (flags & read_en) && srambankptr != wdisabledRam() - 0xA000
? srambankptr
: rdisabledRamw() - 0xA000;
wsrambankptr_ = flags & write_en ? srambankptr : wdisabledRam() - 0xA000;
rmem_[0xB] = rmem_[0xA] = rsrambankptr_;
wmem_[0xB] = wmem_[0xA] = wsrambankptr_;
disconnectOamDmaAreas();
}
void MemPtrs::setRambank(const unsigned flags, const unsigned rambank) {
unsigned char *const srambankptr = flags & RTC_EN
? 0
: (rambankdata() != rambankdataend()
? rambankdata_ + rambank * 0x2000ul - 0xA000 : wdisabledRam() - 0xA000);
rsrambankptr_ = (flags & READ_EN) && srambankptr != wdisabledRam() - 0xA000 ? srambankptr : rdisabledRamw() - 0xA000;
wsrambankptr_ = flags & WRITE_EN ? srambankptr : wdisabledRam() - 0xA000;
rmem_[0xB] = rmem_[0xA] = rsrambankptr_;
wmem_[0xB] = wmem_[0xA] = wsrambankptr_;
disconnectOamDmaAreas();
}
